Overview

overview

8

Static

static

3

PyHelper.dll

windows10-1703-x64

8

PyHelper.dll

windows7-x64

1

PyHelper.dll

windows10-2004-x64

8

PyHelper.dll

windows11-21h2-x64

8

Sharing

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General

  • Target

    PyHelper.dll

  • Size

    236KB

  • Sample

    240511-mrjw9sch8v

  • MD5

    b7bd2243978cfe44cc0d4b28086c4004

  • SHA1

    bbc0f43de71cddc0a1be48fa98b936ebffb817ac

  • SHA256

    bfeaf1fe93923425053e245e2ccefae72a65f75edad1f1689c55c4f0a1e84455

  • SHA512

    e7f924564bcf1a6173cf29bbbcb16994b3e527a93c1059e7be8e86aa5f5887a852a6a9084862caf3e192a5a70336e6ee22bc169c1f1e0300fa72bb9049a0141f

  • SSDEEP

    3072:aSro30CSFTVOo7qzijtY7HBGsBel05YGoAgbceBBCxRXu+E+NO9o6Kgv:akoELH7k8tY7HkLljr1CTbE55

Score
8/10
executionpersistence

Malware Config

Targets

    • Target

      PyHelper.dll

    • Size

      236KB

    • MD5

      b7bd2243978cfe44cc0d4b28086c4004

    • SHA1

      bbc0f43de71cddc0a1be48fa98b936ebffb817ac

    • SHA256

      bfeaf1fe93923425053e245e2ccefae72a65f75edad1f1689c55c4f0a1e84455

    • SHA512

      e7f924564bcf1a6173cf29bbbcb16994b3e527a93c1059e7be8e86aa5f5887a852a6a9084862caf3e192a5a70336e6ee22bc169c1f1e0300fa72bb9049a0141f

    • SSDEEP

      3072:aSro30CSFTVOo7qzijtY7HBGsBel05YGoAgbceBBCxRXu+E+NO9o6Kgv:akoELH7k8tY7HkLljr1CTbE55

    Score
    8/10
    executionpersistence

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

      execution

    • Downloads MZ/PE file

    • Adds Run key to start application

      persistence
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks